How To Read Communications Error Information; End Code - Omron E5EK PROGRAMMABLE TYPE User Manual

6.5 How to Read Communications Error Information

The result of communications on the E5EK-T can be checked by the end code or undefined error re-
sponse in the response frame. Use this end code or undefined error response to remedy errors that may
occur.
J End code
0D

End code

Code name
F Description
F Action
10
End code Code name
F Description
F Action
11
End code Code name
F Description
F Action
About the Unit No.

6.5 How to Read Communications Error Information

Communications are normal when the end code in the response is "00".
If the end code is not "00", this indicates that an error that is not an
undefined error has occurred. The end code format is as follows and
does not contain a data area.
Unit
No.
@
Command cannot be executed
• Writing was carried out during local operation.
• Writing was carried out during execution of auto-tuning.
• An attempt was made to execute 40%AT during heating and cooling
control or position-proportional control.
• An attempt was made to switch run/reset in setting level 1.
• An attempt was made to execute AT in setting level 1.
• Issue the parameter read or write commands in conditions other than
above.
Parity error
Parity check error was detected in the received data.
Check the communications conditions. If the communications condi-
tions of the host computer and E5EK-T controller match, then a prob-
able cause is a problem in the communications circuit of one or both of
the host computer and E5EK-T controller.
Framing error
Stop bit cannot be detected.
Check the communications conditions. If the communications conditions
of the host computer and E5EK-T controller match, then a probable cause
is a problem in the communications circuit of one or both of the host com-
puter and E5EK-T controller.
Responses are not returned unless the target unit for communications and the unit
No. defined in the command match.
FCS
Command End
code
code
Command type
* CR
6--15